Add native Codex hooks integration (#2319)

* Add native Codex hooks integration

* Address Codex review feedback

* Use durable Codex marketplace root

* Address Codex file context review feedback

* Harden Codex installer review paths

* Report Codex legacy cleanup failures

* fix: keep MCP manifests in marketplace sync

* fix: bundle zod in MCP server

* fix: warn on Codex legacy cleanup failure

* Fix hook observation readiness timeouts

* Address Codex hook review notes

* Tighten Codex MCP file context matching

* Resolve final Codex review nits

* Add Codex marketplace version guidance

* Reset worker failure counter on API fallback

* Fix Codex cat flag file extraction

.agents/plugins/marketplace.json

@@ -0,0 +1,20 @@
+{
+  "name": "claude-mem-local",
+  "interface": {
+    "displayName": "claude-mem (local)"
+  },
+  "plugins": [
+    {
+      "name": "claude-mem",
+      "source": {
+        "source": "local",
+        "path": "./"
+      },
+      "policy": {
+        "installation": "AVAILABLE",
+        "authentication": "ON_INSTALL"
+      },
+      "category": "Productivity"
+    }
+  ]
+}